Here is the full list of all 59 Yakuza Kiwami 2 achievements. It takes around 60-80 hours to unlock all of the achievements on Windows.
Completed the final chapter.
Defeated 100 enemies using weapons.
Completed Chapter 15.
Completed Chapter 14.
Completed Chapter 13.
Took 10 photographs.
Completed the Clan Creator storyline.
Complete all substories.
Completed the "Ultimate Assassin" substory.
Completed Chapter 12.
Completed the Majima Saga.
Recruited over 50 workers into Majima Construction.
Completed Chapter 11.
Completed Chapter 10.
Watched all the videos.
Lent an ear to all the platinum hostesses.
Registered 30 hostesses.
Raised all base stats to maximum.
Learned all Life Skills.
Broke the limit on a base stat.
Raised Health to a natural 180.
Completed Chapter 9.
Completed the Four Shine storyline.
Possessed over 10,000,000 yen.
Completed Chapter 8.
Won first league championship in the Cabaret Club Grand Prix.
Completed Chapter 7.
Raised the Heat Gauge to a natural 180.
Completed Chapter 6.
Raised Attack to a natural 180.
Completed Chapter 5.
Became a Majima Construction employee.
Donated 1,000,000 yen to Sunflower Orphanage.
Raised Defense to a natural 180.
Completed 30 substories.
Completed 50 items on the Completion List.
Completed Chapter 4.
Joined Club Four Shine.
Completed 10 substories.
Completed 30 items on the Completion List.
Destroyed an establishment three times.
Completed Chapter 3.
Completed 10 items on the Completion List.
Completed Chapter 2.
Completed Chapter 1.
Obtained all achievements.
Completed the game in Legend mode.
Completed 100% of the Completion List.
Learned all Battle Skills.
Learned all Heat Actions.
Learned all skills.
Played all minigames.
Win all the Coliseum's tournaments.
Completed all bouncer missions.
Possessed over 200,000 points in Clan Creator.
Opened all coin lockers.
Ate at all restaurants.
Drank all drink types from vending machines.
Defeated all street bosses.